Home / 48,686.88-67,228.84-30,813.42

Finding the Fourth Proportional to 48,686.88, 67,228.84 and 30,813.42

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Solution

The fourth proportional to 48,686.88, 67,228.84 and 30,813.42 is: 42,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,686.88 : 67,228.84 = 30,813.42 : x
  2. Step 2: Convert to fraction form
    48,686.88/67,228.84 = 30,813.42/x
  3. Step 3: Cross multiply
    48,686.88x = 67,228.84 × 30,813.42
  4. Step 4: Simplify right side
    48,686.88x = 2,071,550,483.03
  5. Step 5: Solve for x
    x = 2,071,550,483.03/48,686.88
  6. Step 6: Final answer
    x = 42,548.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.